Main ST over Holly Drain
PoorShiawassee County, Michigan · In the Village of Vernon · Structure no. 000000000009893
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 1,209
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Main ST over Holly Drain is a prestressed concrete box beam or girders - multiple carrying Main ST over Holly Drain in Shiawassee County, Michigan. It was built in 1965, so it is 60 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,209 vehicles a day, roughly 2% of them trucks, projected to reach 1,600 by 2020. The structure is 36 ft (10.9 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main ST over Holly Drain built?
It was built in 1965, making it 60 years old in 2025.
What condition is Main ST over Holly Drain in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does Main ST over Holly Drain carry?
About 1,209 vehicles per day (2010 count), of which roughly 2% are trucks.
How long is Main ST over Holly Drain?
The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10 m) and a deck 34 ft wide.
Who owns Main ST over Holly Drain?
It is owned by the City or Municipal Highway Agency.